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genisi

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genisi

Re: iwfal post# 155511

Thursday, 01/17/2013 2:48:04 PM

Thursday, January 17, 2013 2:48:04 PM

Post# of 252186

they set the clinical utility boundary as 30% below the placebo treatment

Selecting the stopping thresholds in futility trials as well as futility interim analysis seems to me as the critical step and perhaps even more important than choosing the statistical method to calculate the probability of future success.
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